Re: [PATCH] scripts/glibcelf.py: Mark as UNSUPPORTED on Python 3.5 and earlier

[Florian Weimer <fweimer@redhat.com>]

* Adhemerval Zanella via Libc-alpha:

> On 25/04/2022 04:17, Florian Weimer via Libc-alpha wrote:
>> * Florian Weimer:
>> 
>>> enum.IntFlag and enum.EnumMeta._missing_ support is not present in those
>>> Python versions.
>>>
>>> ---
>>>  scripts/glibcelf.py | 6 ++++++
>>>  1 file changed, 6 insertions(+)
>>>
>>> diff --git a/scripts/glibcelf.py b/scripts/glibcelf.py
>>> index 8f7d0ca184..da0d5380f3 100644
>>> --- a/scripts/glibcelf.py
>>> +++ b/scripts/glibcelf.py
>>> @@ -28,6 +28,12 @@ import collections
>>>  import enum
>>>  import struct
>>>  
>>> +if not hasattr(enum, 'IntFlag'):
>>> +    import sys
>>> +    sys.stdout.write(
>>> +        'warning: glibcelf.py needs Python 3.6 for enum support\n')
>>> +    sys.exit(77)
>>> +
>>>  class _OpenIntEnum(enum.IntEnum):
>>>      """Integer enumeration that supports arbitrary int values."""
>>>      @classmethod
>> 
>> I've pushed this, to avoid masking other failures in Joseph's tester.
>
> We still indicate that Python 3.4 is supported on INSTALL. I think we
> should either update it or add a fallback code on glibcelf.py.

Tests using scripts/glibcelf.py are marked as UNSUPPORTED.  Isn't this
sufficient for now?

We can say that Python 3.6 or later is recommended for full test
coverage.

Thanks,
Florian